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Why is there the difference between the two type router in "show ip inter bri" -- IPCP and NVRAM?

Posted on 2014-11-17
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Last Modified: 2014-11-17
Hi Expert
I have two same type routers with the same configuration. But When I using command "show ip int bri" in two same type of router, I noticed there is a little difference in the output of the command for the two routers. Please see the picture. What is differnece between NVRAM and IPCP there ?  Why is there the difference between the two router with the same configuration ? Any expert can give some suggestion ? Thank you.
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Question by:EESky
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it_saige earned 500 total points
ID: 40448888
The configuration means that the interface on RouterA is negotiated (most likely via PPP)
Whereas the interface on RouterB is statically assigned and therefore stored in the configuration file and running from NVRAM.

-saige-
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by:EESky
ID: 40448900
Thank you so much for your fast reply. The two interfaces in two routers are same Cellular interface, which connect with other ends through wireless, respectively. So what you meant is other end might be PPP or something else ?
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Expert Comment

by:it_saige
ID: 40448921
Yes, but the local configuration tells them to do this.

-saige-
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Author Comment

by:EESky
ID: 40448922
Thank you so much. I think you already answered my question.
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